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maria practiced for 40 minutes on sat. she practiced 10 minutes less in the morning the in the afternoon? how many minutes did she practice in the afternoon
15 years ago

Answers

bobpursley
M + A=40
but M-10=A
so
M+M-10=40
add ten to each side
2M=30
morning=15min, afternoon 25min
15 years ago

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